缅甸M区块地震构造样式分析与研究
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摘要
缅甸M区块由于地表条件复杂,致使地震资料信噪比低,目的层的层位解释、断层解释及构造样式的确定存在相当大的难度;在二维地震资料解释过程中,通过对缅甸M区块应力场的分析及研究,结合剖面表层结构特征和地震资料反射特征,特别是在借鉴中国塔里木盆地库车山前褶皱带的构造样式基础上,在地震资料品质普遍不理想的情况下,开展缅甸M区块的构造样式分析与地震资料综合研究,取得了较为满意的地质成果。
Due to complex surface conditions,the signal-to-noise ratio of seismic data is very low in the M Block of Myanmar.Therefore,it is very difficult to carry out such tasks as the horizontal interpretation of the object layer,the fault interpretation and the determination of structural style.Based on an analysis and study of the stress field of the M Block in Myanmar in combination with surface structural characteristics of the profile and reflection features of seismic data and in consideration of the structural style of Kuqa piedmont folded belt in Tarim Basin of China,the authors made an integrated analysis and study of the structural style and seismic data of the M Block in Myanmar under very unfavorable data conditions.As a result,fairly satisfactory result was obtained.
Due to complex surface conditions,the signal-to-noise ratio of seismic data is very low in the M Block of Myanmar.Therefore,it is very difficult to carry out such tasks as the horizontal interpretation of the object layer,the fault interpretation and the determination of structural style.Based on an analysis and study of the stress field of the M Block in Myanmar in combination with surface structural characteristics of the profile and reflection features of seismic data and in consideration of the structural style of Kuqa piedmont folded belt in Tarim Basin of China,the authors made an integrated analysis and study of the structural style and seismic data of the M Block in Myanmar under very unfavorable data conditions.As a result,fairly satisfactory result was obtained.
引文
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[8]孙家振,李兰斌,周新源,等.塔里木盆地库车凹陷克拉苏构造带典型构造样式与变形机理分析[J].石油实验地质,2003,25(3):247.
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[2]陆基孟.地震勘探原理[M].北京:石油大学出版社,1993.
[3]马在田.反射地震成像分辨率的理论分析[J].同济大学学报,2005,33(9):1144.
[4]杨威,李宇平,顾乔元,等.塔里木盆地北缘白垩系天然气产层储层特征及有利区域预测[J].新疆地质,2002,20(3):252.
[5]赵孟军,王招明,张水昌,等.库车前陆盆地天然气成藏过程及聚集特征[J].地质学报,2005,79(3):414.
[6]田作基,宋建国.塔里木库车新生代前陆盆地构造特征及形成演化[J].石油学报,1999,20(4):9.
[7]刘志宏,卢华复,贾承造,等.库车前陆盆地克拉苏构造带的构造特征与油气[J].长春科技大学学报,1999,29(3):215.
[8]孙家振,李兰斌,周新源,等.塔里木盆地库车凹陷克拉苏构造带典型构造样式与变形机理分析[J].石油实验地质,2003,25(3):247.
[9]何光玉,卢华复,李树新.库车再生前陆盆地油气运移特征[J].地质学报,2004,78(6):847.
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